Eugene Smith, The LIFE Picture Collection ... during his Iwo Jima ordeal. Others weren’t so lucky. Some 21,000 Japanese troops occupied the island in a vast network of tunnels.

The New Jersey native commanded the 6th Marine War Dog Platoon, which participated in the battle for Iwo Jima ... soldiers with grenades or torches. Japanese defenders had built tunnels ...

The invasion of Iwo Jima, known as Operation Detachment would see the USMC undertake a huge amphibious invasion of the ...